期刊
ANTIOXIDANTS
卷 11, 期 9, 页码 -出版社
MDPI
DOI: 10.3390/antiox11091638
关键词
antioxidants; children; SARS-CoV-2; COVID-19; respiratory viral infections; prophylaxis; therapy; oxidative stress
Respiratory tract infections are common in children, and antioxidants have shown potential in preventing and treating viral infections. Antioxidants may also interfere with the entry and replication of SARS-CoV-2. This review evaluates the evidence of antioxidants' usefulness in preventing and treating SARS-CoV-2 in adults and speculates on their potential use in children.
Respiratory tract infections (RTIs) are very common in children, especially in the first five years of life, and several viruses, such as the influenza virus, Respiratory Syncytial Virus, and Rhinovirus, are triggers for symptoms that usually affect the upper airways. It has been known that during respiratory viral infections, a condition of oxidative stress (OS) occurs, and many studies have suggested the potential use of antioxidants as complementary components in prophylaxis and/or therapy of respiratory viral infections. Preliminary data have demonstrated that antioxidants may also interfere with the new coronavirus 2's entry and replication in human cells, and that they have a role in the downregulation of several pathogenetic mechanisms involved in disease severity. Starting from preclinical data, the aim of this narrative review is to evaluate the current evidence about the main antioxidants that are potentially useful for preventing and treating Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) infection in adults and to speculate on their possible use in children by exploring the most relevant issues affecting their use in clinical practice, as well as the associated evidence gaps and research limitations.
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